* Item pictured for illustrative purposes only, actual item not pictured. See ‘Notes’ next to grade for included items.
Olympus 300mm f/4 M.Zuiko Digital ED IS Pro Autofocus Lens for MFT (Micro Four Thirds) Black {77} with Built-In Hood, Tripod Mount, Decoration Ring
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$2,579.00
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KEH Certified™ pre-owned gear, expertly inspected†
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All rental gear is between Excellent and Like New Minus condition
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Standard accessories included
300mm f/4 Pro glass that weighs half what you'd expect
On a Micro Four Thirds body, the M.Zuiko 300mm f/4 IS Pro delivers a 600mm full-frame equivalent reach, and it does so in a package that field shooters can carry all day without a second bag. The built-in optical image stabilization pairs with Olympus bodies that support Sync IS, pushing stabilization figures well beyond what a lens-only or body-only system can achieve. ED glass elements control chromatic aberration at the long end, where fringing on high-contrast edges is a constant problem for telephoto work.
The 77mm filter thread accepts standard circular polarizers and ND filters without adapters, and the included tripod collar lets you rotate between horizontal and vertical orientation without repositioning the entire head. A built-in retractable lens hood keeps the front element protected during transport. Autofocus is fast enough for moving subjects, and the Pro-series build means it's sealed against dust and splashes, conditions that come with the territory in wildlife and sports work.
For MFT shooters who need serious reach without the weight penalty of a full-frame supertelephoto system, this lens makes a clear case for the format's strengths.
Who It's For
Wildlife photographers working on foot get 600mm equivalent reach at a fraction of the weight of comparable full-frame glass, which matters when you're hiking to a location. Bird photographers benefit from the image stabilization and autofocus combination when tracking subjects in flight or low-light perches. Sports shooters covering sideline or court action can work with the f/4 aperture and stabilization to keep shutter speeds high. Travel photographers who need reach but can't justify a dedicated long-lens bag will find the package size practical alongside a compact MFT kit.
Key Features
- 300mm f/4 telephoto on Micro Four Thirds mount
- Built-in optical image stabilization with Sync IS compatibility
- ED glass controls chromatic aberration at long focal lengths
- 600mm full-frame equivalent reach in compact, lightweight package
- 77mm filter thread accepts standard circular polarizers and ND filters
- Included tripod collar rotates for horizontal and vertical framing
- Pro-series sealing protects against dust and splashes
- Built-in retractable lens hood for transport protection
FAQ
- What's the full-frame equivalent focal length on Micro Four Thirds?
- 600mm. The 2x crop factor of MFT doubles the 300mm native focal length, giving you supertelephoto reach on a sensor half the size of full-frame.
- Does this lens work with Olympus Sync IS?
- Yes. Pair it with compatible Olympus bodies and Sync IS combines the lens stabilization with in-body stabilization for additional correction, especially useful at 600mm equivalent.
- What size filters does it use?
- 77mm. Standard thread means any circular polarizer or ND filter fits without adapters.
- Is autofocus fast enough for wildlife and sports?
- The AF system is built for moving subjects. Speed depends on your body's AF processor, but the lens itself is designed for professional wildlife and sports work.
- How is it sealed against weather?
- Pro-series construction seals the lens against dust and splashes. Not full weather-sealing in the same sense as large-diameter pro telephotos, but adequate for field work.
- Does it come with a tripod collar?
- Yes. The included collar lets you rotate the lens between horizontal and vertical framing without repositioning your tripod head.
- What's the weight and how does it compare to full-frame telephotos?
- The body copy states it weighs half what you'd expect for a 600mm equivalent telephoto. Full-frame 600mm primes run 4-5 kg; this MFT lens is substantially lighter, making all-day handheld work feasible.
| Specification | Value |
|---|---|
| Focal Length | 300mm |
| Max Aperture | f/4 |
| Mount | Micro Four Thirds (MFT) |
| Stabilization | Yes |
| AF System | Yes |
| Filter Thread | 77 mm |
| Built In Hood | Yes |
| Tripod Mount | Yes |
| Decoration Ring | Yes |
This description was generated using AI based on KEH's internal product standards, product expertise, and knowing what customers care about most. While we strive for accuracy, details may vary by individual item.
| Brand Name | Olympus |
|---|---|
| Filter Size | 77mm |
| Focus Type | Autofocus (lens motor) |
| Lens Mount | Micro Four Thirds |
| Lens Type | Telephoto / Long |
| Max Focal Length | 300mm |
| Min Focal Length | 300mm |
Learn what to expect from each condition, cosmetically. Images are representative of each grade and may not show the exact item you receive. All equipment is guaranteed to work as intended, unless otherwise noted. We also occasionally offer items that fall .
Exceptions
- New
- New in box complete with manufacturer's USA warranty. Not previously owned or used.
- Like New
- Essentially new with no signs of use. “Open box.” In manufacturer's packaging with original accessories and instructions. 180-day warranty.
- As Is
- Non-functional or damaged. Equipment will not work. Usable for parts. Not covered under KEH warranty and non-returnable.
Like New Minus
Like New Minus
Barely used with virtually no traces of wear. Only the closest inspections will reveal slight use. Lens glass could contain light dust or debris. Excellent picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Excellent Plus
Excellent Plus
Lightly used with limited signs of wear. Exceptionally nice but may have slight wear on finish visible. Lens glass could contain light dust or debris. Excellent picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Excellent
Excellent
Noticeably used with average signs of wear. Shows moderate wear for the age of the item, with the possibility of blemishes and/or minimal dings. Lens glass may have average dust and zoom/focus ring tension may have slight looseness or tightness overall, but will not affect picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Bargain
Bargain
Frequently used with above-average wear. May have dents, dings, or finish loss. Lens glass may have small scratches, dust, and blemishes, and zoom/focus ring tension may have moderate looseness or tightness overall, but should not affect picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Ugly
Ugly
Heavily used with extensive visible wear. Equipment is rough, with multiple impressions in the finish, excessive finish loss and brassing. Glass will have marks, fungus and/or heavy/cloudy haze which could affect picture quality. Accessories usually not included, unless noted in listing. Not covered under KEH warranty.
